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Net Worth Comparison

Cai Kui vs Elon Musk

Real-time net worth, career, and company comparison — updated June 2026.

Cai Kui

Cai Kui

CEO, Real estate
Net Worth
$4.256B
-1.93% today
Elon Musk
Wealthier

Elon Musk

CEO, Tesla, Inc.
Net Worth
$807.656B
+$803.4B more than Cai
+1.18% today

Wealth at a Glance

Cai Kui$4.256B
Elon Musk$807.656B

Net worth gap: $803.4B — equivalent to 99% of Elon's total wealth.

Tale of the Tape

Cai Kui
Elon Musk
$4.256B
Net Worth
$807.656B
#999
Global Rank
#1
63
Age
54
CHINA
Country
UNITED STATES
Real estate
Source of Wealth
Tesla, SpaceX
Diversified
Industry
Technology
Bachelor of Arts and Science, Nanjing University of Aeronautics and Astronautics
Education
University of Pennsylvania (BA, BS)

Career Highlights

Cai Kui

  1. 1994
    Cofounded Longfor Properties
    Cofounded Longfor Properties with his then-wife Wu Yajun, which became a major real estate developer in China.
  2. 2009
    Longfor Properties IPO
    Longfor Properties debuted on the Hong Kong Stock Exchange.
  3. 2012
    Divorce and Investment Firm
    Divorced Wu Yajun and established investment firm Junson Capital in Hong Kong in 2013.

Elon Musk

  1. 1995
    Co-founded Zip2
    Co-founded Zip2, an online city guide for newspapers.
  2. 1999
    Co-founded X.com
    Co-founded X.com, which later became PayPal.
  3. 2002
    Founded SpaceX
    Founded Space Exploration Technologies Corp. (SpaceX).
  4. 2004
    Became Chairman of Tesla
    Led the first funding round for Tesla and became its Chairman.
  5. 2008
    Became CEO of Tesla
    Became CEO of Tesla Motors.

Net Worth History

YearCaiElonLeader
2022$8.7B$146BElon
2023—$235.5B—
2024$4.5B$839.6BElon
2025$4.6B$839BElon
2026$4.256B$807.656BElon

The Verdict: Elon Musk vs Cai Kui

As of June 2026, Elon Musk leads this comparison with a net worth of $807.656B, placing at #1 in the global rankings. Cai Kui follows at $4.256B — a gap of $803.4B.

The two leaders come from distinct industries — Diversified for Cai Kui and Technology for Elon Musk. Comparing them is therefore a comparison of different underlying asset types, growth rates, and risk profiles rather than a simple head-to-head within the same market.

Cai Kui is 63 years old versus 54 for Elon Musk, a difference of 9 years. Age context matters in wealth comparisons: a younger billionaire at the same net worth has had less time to accumulate — and in many cases represents a higher compound annual growth rate on their wealth.

Net worth figures are estimates calculated from public shareholding disclosures, stock price data, and reported asset values. See our full methodology.

Explore Full Profiles

Cai Kui
Cai Kui
Full profile → net worth, bio, career history
Elon Musk
Elon Musk
Full profile → net worth, bio, career history

Net worth estimates updated daily from public financial disclosures. Methodology · Report an error